10、不检查吗(1 / 2)

“来了?”许主任看着走入办公室的王云说道,“昨天我可是敲定了你的班级,你今天要是没考好的话,那可不行啊。”说着,许主任已经打开抽屉,将初中部的中考试题拿了出来。</p>

王云放下书包,坐在许主任的对面,笑着说道,“您放心吧,我一定不会让您失望的。”</p>

“希望如此。”有了昨天的经验,许主任拿出的试卷是今年九中老师才出的试卷,如果不是九中毕业的学生,几乎是不可能看见的。而且,谁会找一个九中毕业的学生讨要初中模拟试卷应对他。</p>

所以,许主任是非常放心的。</p>

将卷子放在王云的手中,挑动一下眉头说道,“诺,你做吧,和昨天一样,一上午的时间。能够通关,下午就带你见班主任。”</p>

“好。”王云拿着笔,看着许主任递过来的卷子,首先映入眼帘的便是物理试卷。</p>

他做好身体,先将试卷中的题目全部浏览了一遍之后。思索了一会,便开始做了起来。</p>

【第一题:</p>

下列物理量最接近实际的是</p>

a.人体的正常体温约37c b.人体的安全电压是不高于1.5v c.正常人心脏跳动60次约需1h d.中考体考所用的实心球质量约10kg</p>

这个简单,选a。】</p>

这道题太简单不过了,不过是想要看看考生能不能将物理和生活结合在一起。</p>

【工人用如图所示的动滑轮,将重1000n的物体在5s内匀速竖直提升了1m,人对绳自由端</p>

的拉力f为600n,不计绳重和摩擦。以下结论正确的是</p>

a.动滑轮的有用功为600j b.动滑轮的重力为400n c.滑轮的机械效率为83.3%</p>

d.拉力f的功率为120w</p>

这道题也不困难,选c】</p>

一道一道的做下去,王云发现并没有什么特别困难的题目,即便是做到最后的大题,似乎也并不困难。</p>

一切都做完之后,王云将卷子放到许主任的面前说道,“主任,我做完了。”</p>

主任愣了一下,看向王云,眨巴着眼睛,好一会儿时间都没有回过神来。</p>

“就做完了?”许主任深吸一口气,低下头看向卷子,他发现卷子密密麻麻写满了答案,而给王云的a4草稿纸上也写满了计算公式。看来,王云并非是在糊弄他,而是真的写完了。抬起手腕,看了一下时间。</p>

甚至还不到一个小时,要不是因为真的学到了知识,并且极为牢固地掌握了知识点,是不可能做得这么快这么顺手的。</p>

当然,许主任并非是专业的物理老师,他现在不可能给王云批改。他看了王云一眼,“不在检查一下吗?”</p>

“不,不用了。”王云摇了摇头说道,“我觉得挺简单的,应该没有什么错漏的地方。”</p>

“那行,你就继续做化学卷子吧。” 许主任拿着卷子慢悠悠地看了起来,偶尔看了一眼正在做化学卷子的王云。他发现,这个学生极其用功地在做着卷子。满意地点了点头,将物理卷子放下,他又开始做着自己的事情。</p>

【海水是一种重要的自然资源,以下是我市对海水资源的部分利用。</p>

(1)从海水中获得氯化钠。将海水进行可得到粗盐;为除去粗盐中含有的na2so4、cacl2、mgcl2等杂质,其中加入bacl2溶液除去的物质是;</p>

加入naoh溶液除去的物质是。</p>

(2)从海水中得到金属镁。下图是从海水中提取镁的简单流程。</p>

(1)从海水中获得氯化钠。将海水进行可得到粗盐;为除去粗盐中含有的na2so4、cacl2、mgcl2等杂质,其中加入bacl2溶液除去的物质是;</p>

加入naoh溶液除去的物质是。</p>

(2)从海水中得到金属镁。下图是从海水中提取镁的简单流程。</p>

(1)蒸发结晶na2so4mgcl2(2)mg(oh)2</p>

mgcl2通电mg+cl2↑】</p>

<--di--!>
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